Steven M. Reff
Economics Lecturer
University of Arizona
(2007 - 2016)
The 2015 University of Arizona
Five-Star Faculty Award

Steven Reff's Resume
Unit 4:  Imperfect Competition

• Topic 4.1   Introduction to Imperfectly Competiitve Markets
• Topic 4.2   Monopoly
• Topic 4.3   Price Discrimination
• Topic 4.4   Monopolistic Competition
• Topic 4.5   Oligopoly and Game Theory
(15% – 22% of the exam)
8 - 10 class periods
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Unit 4
Imperfect Competition
Week 10
Below are lessons for Unit 4: Topics 4.2, 4.3 - 4.5 aligned to the AP® Microeconomics CED.
You will have textbook readings, short videos with 3 multiple choice questions, workbook
assignments, multiple choice questions, "free" response questions and much more.

These resources can be displayed on the instructor's projection system inside the classroom,
or the instructor can copy the links and give to the students as homework.

Link to the  
AP®  Microeconomics CED (Course and Exam Description) to see in-depth
coverage on each of the topics listed below for Unit 4:  Imperfect Competition
Principles of Microeconomics
Days 2:  Week 10
Topic 4.4   Monopolistic Competition, Part I
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Remember, you still have all of the resources and
assessments that The College Board
® provides for you
and your students.
Day 5:  Week 10
Topic 4.5   Oligopoly
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eVideos -- Short Videos:
eWorkbook Activities Interactive:
eTextbook Reading:
Monopolistic Competition (Drag and Drop Graph 2 -- 7 Questions)
Monopolistic Competition (Drag and Drop Graph 1 -- 6 Questions)
Monopolistic Competition
Oligopoly
Monopolistic Competitive Firm Silent Movie, Part I
Oligopoly, Matrix 1 (Prisoners' Dilemma)  Enlarge Screen
Oligopoly Matrix 2 (Going on a Date)  Enlarge Screen
Oligopoly Matrix 3 (Advertise or Not Advertise)  Enlarge Screen
Oligopoly, Part I (15 multiple choice questions)
Oligopoly, Part II (11 multiple choice questions)
Prisoner's Dilemma, Part II
Prisoner's Dilemma, Part I
Oligopoly Matrix (How to Read a Matrix, Part I)
Oligopoly Characteristics
Monopolistic Competition (Profit, Break Even, Loss)
Monopolistic Competition Characteristics
Monopolistic Competition Advertising
Monopolistic Competition (Entry and Exit)
Oligopoly Matrix (How to Read a Matrix, Part II
eREVIEW:  Oligopoly
FRQs:  Monopolistic Competition
Oligopoly, Part III (11 different multiple choice questions)
(3 min. or less, along with 3 multiple choice questions)
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Topic 4.4 Monopolistic Competition Graphing, IV  Enlarge Screen
Topic 4.4 Monopolistic Competition Graphing, II  Enlarge Screen
Topic 4.4 Monopolistic Competition Graphing, I  Enlarge Screen
Topic 4.4 Monopolistic Competition Graphing, III  Enlarge Screen
eTextbook Reading:
eVideos -- Short Videos:
eWorkbook Activities Interactive:
(3 min. or less, along with 3 multiple choice questions)
Reffonomics Baseball Rules
Reffonomics Baseball:  Monopoly
REVIEW from Week 9 -- Monopoly
4.2   Monopoly
4.3   Price Discrimination
Days 1:  Week 10
The concept of Price Discrimination was already taught in the
eTextbook lesson on 1st Degree-, 2nd Degree-, and 3rd Degree-
Price Discriminating Monopoly found at:    
Monopoly, Part III  

A firm with market power can engage in price discrimination to
increase its profits or capture additional consumer surplus under
certain conditions.

With perfect price discrimination, a monopolist produces the
quantity where price equals marginal cost (just as a competitive
market would) but extracts all economic surplus associated with
its product and eliminates all deadweight loss.

Calculate (using data from a graph or table as appropriate) areas
of consumer surplus, producer surplus, profit (loss), and
deadweight loss in imperfectly competitive markets.

IMPORTANT:  If you can answer the questions on this interactive
graphing assignment on the link below entitled Topic 4.3: Price
Discrimination, you can answer most any question on the exam.

Topic 4.3 Price Discrimination
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Days 3:  Week 10
Topic 4.4   Monopolistic Competition, Part II
eWorkbook Activities Interactive:
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Review of Monopolistic Competition
2016 FRQ #3 Scoring Guidelines (rubric)
2016 FRQ #3 (LR Equilibrium, TR Maximized, Economies of Scale)
2004 FRQ #3 (LR Equilibrium, Fixed Cost License Fee)
2009B FRQ # 1 (Loss, Allocative Efficiency, Economies of Scale)
2004 FRQ #3 Scoring Guidelines (rubric)
2009B FRQ #1 Scoring Guidelines (rubric)
2007B FRQ #1 Scoring Guidelines (rubric)
2007B FRQ #1 (Elastic or Inelastic portion of D Curve, Allocative Efficiency)
2002B FRQ #1 (Compare Monopolistic and Perfect Competition Firm Graphs)
2002B FRQ #1 Scoring Guidelines (rubric)
Short Questions
Long Questions
Days 4:  Week 10
Topic 4.4   Monopolistic Competition, Part III
Short Questions
FRQs:  Monopolistic Competition
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News Article on Imperfect Competition (Revenue and Profit)  Enlarge Screen
Topic 4.5   Oligopoly will continue for 3 days in Week 11